Abstract Since 2005, the Brazilian Ornithological Records Committee (CBRO) has published
updated checklists of Brazilian birds almost every year. Herein, we present a completely …

Presentamos una actualización de la lista de las aves de Colombia con base en registros
documentados a partir de septiembre de 2017, siguiendo, por primera vez, criterios …

An implicit assumption of speciation biology is that population differentiation is an important
stage of evolutionary diversification, but its significance as a rate-limiting control on …

Migratory species exhibit seasonal variation in their geographic ranges, often inhabiting
geographically and ecologically distinct breeding and nonbreeding areas. The complicated …

DNA barcodes of birds are currently available for 41% of known species and for many
different geographic areas; therefore, they are a rich data source to answer evolutionary …

Changes in this supplement include the following:(1) 8 species (Coccycua pumila, Coccyzus
lansbergi, Arundinax aedon, Locustella fluviatilis, Erithacus rubecula, Oenanthe pleschanka …

The following species are added to Colombia's bird checklist: Crimson Fruitcrow
Haematoderus militaris (based on observations), Varzea Thrush Turdus sanchezorum …

Abstract The New World avian family Polioptilidae (gnatcatchers and gnatwrens) is
distributed from Argentina to Canada and includes 15 species and more than 60 …

We infer phylogenetic relationships, divergence times, and the diversification history of the
avian Neotropical antpitta genera Hylopezus and Myrmothera (Grallariidae), based on …

Certain vocal signals can be difficult or challenging to produce due to constraints on vocal
mechanics. In the case of birdsong, both body size and beak morphology have been shown …